#ifndef TEST_TIME_H_
#define TEST_TIME_H_

// ---
//
// CppTest - A C++ Unit Testing Framework
// Copyright (c) 2003 Niklas Lundell
//
// ---
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the
// Free Software Foundation, Inc., 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA.
//
// ---

#include <iostream>
#include <string>

namespace uav
{
namespace test
{

/// \brief %Time representation.
///
/// Encapsulates a time value with microsecond resolution. It is possible
/// to retrieve the current time, add and subtract time values, and output
/// the time to an output stream.
///
class Time
{
public:
	Time();
	Time(unsigned int sec, unsigned int usec);

	unsigned int seconds() const;
	unsigned int microseconds() const;

	static Time current();

	friend Time operator+(const Time& t1, const Time& t2);
	friend Time operator-(const Time& t1, const Time& t2);

	friend std::ostream& operator<<(std::ostream& os, const Time& t);

private:
	unsigned int _sec;
	unsigned int _usec;
};

}}

#endif
